An item generally of cylindrical shape with one or several bores which are designed to restrict the flow of fuel or air, respectively.
NSN 5998-01-109-8888
NSN 4140-00-643-3744
NSN 6130-01-391-7765
NSN 6220-01-613-1515
NSN 6685-01-456-3717
NSN 5950-01-439-7446
NSN 6620-00-724-3137
NSN 6650-00-729-6745
NSN 5835-01-214-5402
NSN 6645-01-422-3510
NSN 5910-01-540-1289
NSN 6320-01-541-7585